[Leica] Tuesday Trees

[Jim Nichols]

Nice details.  I have Bartons in my ancestry, and am reminded of it with 
your frequent references.  I tried to nail down a connection to the 
fellow who came to Austin, but couldn't quite make the connection.  I 
suspect he was a brother to my Barton ancestor.

On 5/26/20 4:29 AM, Don Dory via LUG wrote:
> Greetings to all.  I am going to start with an abstract of a Desert Willow
> growing in my backyard.  The morning sun hits the new foliage and makes a
> beautiful shape:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Tuesday+Trees/Desert+Willow.jpg.html
>
> I found this tree seemingly doing well growing in rocks; admittedly at the
> edge of Barton Creek which goes dry most of the year;
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Tuesday+Trees/determined+tree.jpg.html
>
> Austin sits on a large limestone bed formed when a sea/ocean covered this
> geographical area.  This image shows what determined trees can do with the
> layers that are more clay than limestone:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Tuesday+Trees/cedar+grove+on+limestone+shelf.jpg.html
>
> Continuing that same theme, this tree is doing fine in the same
> conditions.  What you are seeing is evidence of climate change a few
> million years ago.  Something prevented the various shellfish from dying
> and falling to the bottom of the seabed for a large number of years with
> only fallout from the sky and runoff from the land to deposit on the seabed.
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Tuesday+Trees/advantage+found+in+the+clay.jpg.html
>
> Interesting to note the vast limestone deposits in the Kansas/Missouri
> border around Kansas City do not show these clay layers but are limestone
> for tens to hundreds of meters.
>
> All the best.
>
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-- 
Jim Nichols
Tullahoma, TN USA